Launch 3 nodes on ports 7379 to 7381 with cluster enabled.

Add command CLUSTER NODES

src/main/java/redis/clients/jedis/BinaryClient.java

@@ -1100,4 +1100,9 @@ public class BinaryClient extends Connection {
     public void hincrByFloat(final byte[] key, final byte[] field, double increment) {
     	sendCommand(HINCRBYFLOAT, key, field, toByteArray(increment));
     }
+    
+    public void cluster(final byte[]... args) {
+    	sendCommand(CLUSTER, args);
+    }
+
 }

src/main/java/redis/clients/jedis/Client.java

@@ -807,4 +807,12 @@ public class Client extends BinaryClient implements Commands {
     public void hincrByFloat(final String key, final String field, double increment) {
     	hincrByFloat(SafeEncoder.encode(key), SafeEncoder.encode(field), increment);
     }
+
+    public void cluster(final String... args) {
+	final byte[][] arg = new byte[args.length][];
+	for (int i = 0; i < arg.length; i++) {
+	    arg[i] = SafeEncoder.encode(args[i]);
+	}
+	cluster(arg);
+    }
 }

src/main/java/redis/clients/jedis/Jedis.java

@@ -3076,4 +3076,10 @@ public class Jedis extends BinaryJedis implements JedisCommands, MultiKeyCommand
     	String relpy = client.getBulkReply();
     	return (relpy != null ? new Double(relpy) : null);
     }
+
+    public String clusterNodes() {
+    	checkIsInMulti();
+    	client.cluster(Protocol.CLUSTER_NODES);
+    	return client.getBulkReply();
+    }
 }

src/main/java/redis/clients/jedis/Protocol.java

@@ -30,6 +30,8 @@ public final class Protocol {
     public static final String SENTINEL_RESET = "reset";
     public static final String SENTINEL_SLAVES = "slaves";
 
+    public static final String CLUSTER_NODES = "nodes";
+    
     private Protocol() {
 	// this prevent the class from instantiation
     }
@@ -155,7 +157,7 @@ public final class Protocol {
 
     public static enum Command {
 	PING, SET, GET, QUIT, EXISTS, DEL, TYPE, FLUSHDB, KEYS, RANDOMKEY, RENAME, RENAMENX, RENAMEX, DBSIZE, EXPIRE, EXPIREAT, TTL, SELECT, MOVE, FLUSHALL, GETSET, MGET, SETNX, SETEX, MSET, MSETNX, DECRBY, DECR, INCRBY, INCR, APPEND, SUBSTR, HSET, HGET, HSETNX, HMSET, HMGET, HINCRBY, HEXISTS, HDEL, HLEN, HKEYS, HVALS, HGETALL, RPUSH, LPUSH, LLEN, LRANGE, LTRIM, LINDEX, LSET, LREM, LPOP, RPOP, RPOPLPUSH, SADD, SMEMBERS, SREM, SPOP, SMOVE, SCARD, SISMEMBER, SINTER, SINTERSTORE, SUNION, SUNIONSTORE, SDIFF, SDIFFSTORE, SRANDMEMBER, ZADD, ZRANGE, ZREM, ZINCRBY, ZRANK, ZREVRANK, ZREVRANGE, ZCARD, ZSCORE, MULTI, DISCARD, EXEC, WATCH, UNWATCH, SORT, BLPOP, BRPOP, AUTH, SUBSCRIBE, PUBLISH, UNSUBSCRIBE, PSUBSCRIBE, PUNSUBSCRIBE, ZCOUNT, ZRANGEBYSCORE, ZREVRANGEBYSCORE, ZREMRANGEBYRANK, ZREMRANGEBYSCORE, ZUNIONSTORE, ZINTERSTORE, SAVE, BGSAVE, BGREWRITEAOF, LASTSAVE, SHUTDOWN, INFO, MONITOR, SLAVEOF, CONFIG, STRLEN, SYNC, LPUSHX, PERSIST, RPUSHX, ECHO, LINSERT, DEBUG, BRPOPLPUSH, SETBIT, GETBIT, SETRANGE, GETRANGE, EVAL, EVALSHA, SCRIPT, SLOWLOG, OBJECT, BITCOUNT, BITOP, SENTINEL, 
-	DUMP, RESTORE, PEXPIRE, PEXPIREAT, PTTL, INCRBYFLOAT, PSETEX, CLIENT, TIME, MIGRATE, HINCRBYFLOAT;
+	DUMP, RESTORE, PEXPIRE, PEXPIREAT, PTTL, INCRBYFLOAT, PSETEX, CLIENT, TIME, MIGRATE, HINCRBYFLOAT, CLUSTER;
 
 	public final byte[] raw;